Peritonitis, infectious

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ICD10 Diagnosis
Dx: Peritonitis, infectious
ICD10 code: K65
Pre-ICD10 counterpart: Peritonitis
Charlson/ALERT Scale: none
APACHE Como Component: none
APACHE Acute Component: none
Start Date:
Stop Date:
External ICD10 Documentation

This diagnosis is a part of ICD10 collection.

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    • 2019-01-01
    • 2999-12-31
    • K65
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Additional Info

  • Often abdominal paracentesis is done to test the fluid for WBC and cultures
  • A diagnosis of SBP is usually made by finding polymorphonuclear cell (PMN, also referred to as neutrophils) count in the ascitic fluid is ≥250 (or 500) cells/mm3, and secondary causes of peritonitis are excluded
    • Culture results might be negative if antibiotics were started before the sample was taken; you can still code this with a pathogen of Infectious organism, unknown
  • Peritonitis


Includes

  • Generalized ("regular") acute peritonitis
  • Spontaneous Bacterial Peritonitis (SBP) -- this is an entity that occurs in people with pre-existing ascites
  • Abscesses that aren't included in the Alternative codes listed below, thus included in this code are:
    • Intra-abdominal abscess (intraabdominal abscess) or abdominal abscess
    • Pelvic abscess (intrapelvic abscess) or pelvic abscess that don't have any additional information about where it originated (e.g. as below, abscesses related to diverticulitis or appendicitis, and a few others, have their own specific codes)

EXCLUDES

  • the specific causes/types of abdominal or pelvic infections as listed below
Intra-abdominal infection codes:

Alternate ICD10s to consider coding instead or in addition

Intra-abdominal infection codes:

Candidate Combined ICD10 codes

Infections

Infections in ICD10 have combined coding requirements for some of their pathogens. Any that have antibiotic resistances would store those as Combined ICD10 codes as well. If the infection is acquired in the hospital, see Nosocomial infection, NOS. See Lab and culture reports for confirmation and details about tests. See Infections in ICD10 for more general info.

Possible Simultaneous Presence of Multiple Different Types of Infection in a Single Site

  • This refers to the situation where there may be simultaneous infection with multiple types of organisms -- e.g. 2 of bacteria, virus, fungus. While a classic example is a proven viral pneumonia (e.g. influenza) with a suspected/possible bacterial pneumonia superimposed, this kind of thing can occur in places other than the lungs, e.g. meningitis.
    • The "signature" of this is typically the patient being treated simultaneously with antimicrobial agents for multiple types of organisms. BUT don't confuse this with there being infections at DIFFERENT body sites.
  • As per our usual practice, we will consider a diagnosis as present if the clinical team thinks it's present and are treating it, with the exception that the team initially treated for the possible 2nd type of infection but then decided it likely was NOT present and stopped those agents.
  • And remember that Infectious organism, unknown is used when the the specific organism is unknown (this could be not knowing the TYPE of organism, or suspecting the type but not having identified the specific organism of that type), while when the organism has been identified but it's not in our bug list, THEN use Bacteria, NOS, Virus, NOS or Fungus or yeast, NOS.

Attribution of infections

See Attribution of infections

cirrhosis codes:
  • if coding cirrhosis also code cause of cirrhosis if known

Related CCI Codes

Data Integrity Checks (automatic list)

 AppStatus
Query check ICD10 Inf Infection req Pathogen must have oneCCMDB.accdbimplemented
Query Check Inf Pathogens must have Infection requiring pathogen or Potential InfectionCCMDB.accdbimplemented

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